DE2434938C3 - Verfahren und Vorrichtung zur Herstellung von isotropem Schaumstoffmaterial mit im wesentlichen rechteckigem Querschnitt - Google Patents
Verfahren und Vorrichtung zur Herstellung von isotropem Schaumstoffmaterial mit im wesentlichen rechteckigem QuerschnittInfo
- Publication number
- DE2434938C3 DE2434938C3 DE2434938A DE2434938A DE2434938C3 DE 2434938 C3 DE2434938 C3 DE 2434938C3 DE 2434938 A DE2434938 A DE 2434938A DE 2434938 A DE2434938 A DE 2434938A DE 2434938 C3 DE2434938 C3 DE 2434938C3
- Authority
- DE
- Germany
- Prior art keywords
- foam
- section
- conveyor
- weir
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 17
- 239000006261 foam material Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title description 16
- 239000006260 foam Substances 0.000 claims description 78
- 239000000203 mixture Substances 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 19
- 238000005187 foaming Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 28
- 239000007788 liquid Substances 0.000 description 21
- 230000033001 locomotion Effects 0.000 description 11
- 238000002156 mixing Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/84—Conversion of foamed resinous buns into foamed billets having geo metrical crosssections
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US381923A US3887670A (en) | 1973-07-23 | 1973-07-23 | Apparatus for and method of producing continuous foamed plastic bunstock |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2434938A1 DE2434938A1 (de) | 1975-02-13 |
| DE2434938B2 DE2434938B2 (de) | 1980-02-07 |
| DE2434938C3 true DE2434938C3 (de) | 1980-10-02 |
Family
ID=23506872
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2434938A Expired DE2434938C3 (de) | 1973-07-23 | 1974-07-19 | Verfahren und Vorrichtung zur Herstellung von isotropem Schaumstoffmaterial mit im wesentlichen rechteckigem Querschnitt |
| DE2462936A Expired DE2462936C2 (de) | 1973-07-23 | 1974-07-19 | Vorrichtung zur kontinuierlichen Herstellung von rechteckigen Querschnitt aufweisendem Schaumstoffmaterial gleichförmiger Dichte und isotroper Zellstruktur |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2462936A Expired DE2462936C2 (de) | 1973-07-23 | 1974-07-19 | Vorrichtung zur kontinuierlichen Herstellung von rechteckigen Querschnitt aufweisendem Schaumstoffmaterial gleichförmiger Dichte und isotroper Zellstruktur |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3887670A (it) |
| JP (1) | JPS5743415B2 (it) |
| DE (2) | DE2434938C3 (it) |
| ES (2) | ES428320A1 (it) |
| FR (1) | FR2238573B1 (it) |
| GB (1) | GB1472916A (it) |
| IT (1) | IT1016945B (it) |
| NL (1) | NL168751C (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060579A (en) * | 1972-06-24 | 1977-11-29 | Maschinenfabrik Hennecke Gmbh | Method for the continuous forming of foam blocks |
| US4088722A (en) * | 1973-05-29 | 1978-05-09 | Dunlop Limited | Method for molding a block of polyurethane foam having a flat upper surface |
| DE2552361A1 (de) * | 1974-12-09 | 1976-06-10 | Semperit Gmbh | Vorrichtung zum kontinuierlichen herstellen eines schaumstoffstranges |
| US4207279A (en) * | 1977-05-03 | 1980-06-10 | Reeves Brothers, Inc. | Process and apparatus for continuous production of polyurethane foam |
| US4177028A (en) * | 1977-10-04 | 1979-12-04 | Edge Saw Manufacturing Co. | Adjustable apparatus for producing a foam material |
| US4197269A (en) * | 1978-09-01 | 1980-04-08 | Reeves Brothers, Inc. | Process for production of large dimension polyester-derived polyurethane foam |
| DE102013015321B4 (de) | 2013-09-17 | 2016-01-21 | Hennecke Gmbh | Verfahren zum kontinuierlichen Herstellen eines Endlosstranges aus Polyurethan-Reaktivkunststoff |
| CN114130443B (zh) * | 2021-12-07 | 2022-10-18 | 鹤壁市疾病预防控制中心 | 一种移动式理化检验分析试验台 |
| EP4257323A1 (en) * | 2022-04-08 | 2023-10-11 | Evonik Operations GmbH | System and method for determining parameters for foam production |
| EP4257324A1 (en) * | 2022-04-08 | 2023-10-11 | Evonik Operations GmbH | System and method for automatically setting parameters for foam production |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1704836U (de) | 1954-08-30 | 1955-08-18 | Belzer Werk | Vielfach-werkzeug. |
| DE2142450A1 (de) | 1970-09-01 | 1972-03-09 | Unifoam Ag | Verfahren und Vorrichtung zur Herstellung von Polymerschaum |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3476845A (en) * | 1963-12-26 | 1969-11-04 | Fred Buff | Manufacture of expanded cellular products |
| DE1704836A1 (de) * | 1967-07-18 | 1971-05-19 | Metzeler Ag | Verfahren zum kontinuierlichen Herstellen von Schaumstoffbahnen mit rechteckigem Querschnitt |
| US3560599A (en) * | 1968-08-05 | 1971-02-02 | Tenneco Chem | Method of regulating the upper surface contour of polyurethane foam |
-
1973
- 1973-07-23 US US381923A patent/US3887670A/en not_active Expired - Lifetime
-
1974
- 1974-07-04 GB GB2970374A patent/GB1472916A/en not_active Expired
- 1974-07-15 NL NLAANVRAGE7409535,A patent/NL168751C/xx not_active IP Right Cessation
- 1974-07-16 ES ES428320A patent/ES428320A1/es not_active Expired
- 1974-07-19 DE DE2434938A patent/DE2434938C3/de not_active Expired
- 1974-07-19 DE DE2462936A patent/DE2462936C2/de not_active Expired
- 1974-07-22 IT IT52217/74A patent/IT1016945B/it active
- 1974-07-22 FR FR7425403A patent/FR2238573B1/fr not_active Expired
- 1974-07-22 JP JP49084061A patent/JPS5743415B2/ja not_active Expired
-
1976
- 1976-05-12 ES ES447835A patent/ES447835A1/es not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1704836U (de) | 1954-08-30 | 1955-08-18 | Belzer Werk | Vielfach-werkzeug. |
| DE2142450A1 (de) | 1970-09-01 | 1972-03-09 | Unifoam Ag | Verfahren und Vorrichtung zur Herstellung von Polymerschaum |
Also Published As
| Publication number | Publication date |
|---|---|
| NL168751C (nl) | 1982-05-17 |
| NL168751B (nl) | 1981-12-16 |
| FR2238573A1 (it) | 1975-02-21 |
| DE2434938A1 (de) | 1975-02-13 |
| JPS5044262A (it) | 1975-04-21 |
| DE2462936C2 (de) | 1983-05-26 |
| FR2238573B1 (it) | 1977-10-21 |
| IT1016945B (it) | 1977-06-20 |
| GB1472916A (en) | 1977-05-11 |
| DE2434938B2 (de) | 1980-02-07 |
| JPS5743415B2 (it) | 1982-09-14 |
| ES447835A1 (es) | 1977-07-01 |
| US3887670A (en) | 1975-06-03 |
| NL7409535A (nl) | 1975-01-27 |
| ES428320A1 (es) | 1976-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
| AH | Division in |
Ref country code: DE Ref document number: 2462936 Format of ref document f/p: P |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: THE DOW CHEMICAL CO. (EINE GES.N.D.GESETZEN D. STA |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING. KOTTMANN, D., DIPL.-ING, PAT.-ANW., 8000 MUENCHEN |